HP21 9 postcode sector in the HP21 district

HP21 9 is a sector of the HP21 district: every postcode that starts HP21 9. It has 253 postcodes in use.

Not sure what a sector is? UK postcode format explained.

Every postcode in the HP21 9 sector, by flood risk

Map of every postcode in the HP21 9 sector, by flood risk Of the 253 postcodes in the HP21 9 sector that ONS places, 1 have a home or business at high risk, 1 are at medium risk at worst, 1 are at low risk at worst and 250 are not on the Environment Agency's at-risk list. Places named: Aylesbury South East, Aylesbury South West. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A413 HP21 9AA: not on the flood risk listHP21 9AB: not on the flood risk listHP21 9AD: not on the flood risk listHP21 9AE: not on the flood risk listHP21 9AF: not on the flood risk listHP21 9AG: not on the flood risk listHP21 9AH: not on the flood risk listHP21 9AJ: not on the flood risk listHP21 9AL: not on the flood risk listHP21 9AP: not on the flood risk listHP21 9AQ: not on the flood risk listHP21 9AR: not on the flood risk listHP21 9AS: not on the flood risk listHP21 9AU: not on the flood risk listHP21 9AX: not on the flood risk listHP21 9AY: not on the flood risk listHP21 9AZ: not on the flood risk listHP21 9BD: not on the flood risk listHP21 9BE: not on the flood risk listHP21 9BG: not on the flood risk listHP21 9BH: not on the flood risk listHP21 9BJ: not on the flood risk listHP21 9BL: not on the flood risk listHP21 9BN: not on the flood risk listHP21 9BP: not on the flood risk listHP21 9BS: not on the flood risk listHP21 9BT: not on the flood risk listHP21 9BU: not on the flood risk listHP21 9BW: not on the flood risk listHP21 9BX: not on the flood risk listHP21 9BY: not on the flood risk listHP21 9BZ: not on the flood risk listHP21 9DA: not on the flood risk listHP21 9DB: not on the flood risk listHP21 9DD: not on the flood risk listHP21 9DE: not on the flood risk listHP21 9DF: not on the flood risk listHP21 9DG: not on the flood risk listHP21 9DH: not on the flood risk listHP21 9DJ: not on the flood risk listHP21 9DL: not on the flood risk listHP21 9DN: not on the flood risk listHP21 9DP: not on the flood risk listHP21 9DQ: not on the flood risk listHP21 9DR: not on the flood risk listHP21 9DS: not on the flood risk listHP21 9DT: not on the flood risk listHP21 9DU: not on the flood risk listHP21 9DW: not on the flood risk listHP21 9DZ: not on the flood risk listHP21 9EA: not on the flood risk listHP21 9EB: not on the flood risk listHP21 9ED: not on the flood risk listHP21 9EE: not on the flood risk listHP21 9EF: not on the flood risk listHP21 9EG: not on the flood risk listHP21 9EP: not on the flood risk listHP21 9EQ: not on the flood risk listHP21 9ER: not on the flood risk listHP21 9ET: not on the flood risk listHP21 9EU: not on the flood risk listHP21 9EX: not on the flood risk listHP21 9EY: not on the flood risk listHP21 9EZ: not on the flood risk listHP21 9FA: not on the flood risk listHP21 9FE: not on the flood risk listHP21 9FF: not on the flood risk listHP21 9FG: not on the flood risk listHP21 9FN: not on the flood risk listHP21 9FQ: not on the flood risk listHP21 9FU: not on the flood risk listHP21 9FW: not on the flood risk listHP21 9FY: not on the flood risk listHP21 9FZ: not on the flood risk listHP21 9GD: not on the flood risk listHP21 9GH: not on the flood risk listHP21 9GJ: not on the flood risk listHP21 9GL: not on the flood risk listHP21 9GN: not on the flood risk listHP21 9GP: not on the flood risk listHP21 9GQ: not on the flood risk listHP21 9GR: not on the flood risk listHP21 9GS: not on the flood risk listHP21 9GT: not on the flood risk listHP21 9GU: not on the flood risk listHP21 9GW: not on the flood risk listHP21 9GX: not on the flood risk listHP21 9HD: not on the flood risk listHP21 9HE: not on the flood risk listHP21 9HF: not on the flood risk listHP21 9HG: not on the flood risk listHP21 9HJ: not on the flood risk listHP21 9HL: not on the flood risk listHP21 9HN: not on the flood risk listHP21 9HP: not on the flood risk listHP21 9HR: not on the flood risk listHP21 9HS: not on the flood risk listHP21 9HT: not on the flood risk listHP21 9HU: not on the flood risk listHP21 9HW: not on the flood risk listHP21 9HX: not on the flood risk listHP21 9HY: not on the flood risk listHP21 9JA: not on the flood risk listHP21 9JB: not on the flood risk listHP21 9JD: not on the flood risk listHP21 9JE: not on the flood risk listHP21 9JF: not on the flood risk listHP21 9JG: not on the flood risk listHP21 9JH: not on the flood risk listHP21 9JJ: not on the flood risk listHP21 9JL: not on the flood risk listHP21 9JN: not on the flood risk listHP21 9JP: not on the flood risk listHP21 9JQ: not on the flood risk listHP21 9JR: not on the flood risk listHP21 9JS: not on the flood risk listHP21 9JW: not on the flood risk listHP21 9LA: not on the flood risk listHP21 9LB: not on the flood risk listHP21 9LJ: not on the flood risk listHP21 9LL: not on the flood risk listHP21 9LN: not on the flood risk listHP21 9LP: not on the flood risk listHP21 9LQ: not on the flood risk listHP21 9LR: not on the flood risk listHP21 9LS: not on the flood risk listHP21 9LT: not on the flood risk listHP21 9LU: not on the flood risk listHP21 9LW: not on the flood risk listHP21 9LX: not on the flood risk listHP21 9LY: not on the flood risk listHP21 9LZ: not on the flood risk listHP21 9NA: not on the flood risk listHP21 9NB: not on the flood risk listHP21 9ND: not on the flood risk listHP21 9NF: not on the flood risk listHP21 9NH: not on the flood risk listHP21 9NJ: not on the flood risk listHP21 9NL: not on the flood risk listHP21 9NN: not on the flood risk listHP21 9NP: not on the flood risk listHP21 9NR: not on the flood risk listHP21 9NS: not on the flood risk listHP21 9NT: not on the flood risk listHP21 9NU: not on the flood risk listHP21 9NW: not on the flood risk listHP21 9NX: not on the flood risk listHP21 9NY: not on the flood risk listHP21 9PA: not on the flood risk listHP21 9PB: not on the flood risk listHP21 9PD: not on the flood risk listHP21 9PH: not on the flood risk listHP21 9PJ: not on the flood risk listHP21 9PL: not on the flood risk listHP21 9PN: not on the flood risk listHP21 9PP: not on the flood risk listHP21 9PR: not on the flood risk listHP21 9PS: not on the flood risk listHP21 9PT: not on the flood risk listHP21 9PU: not on the flood risk listHP21 9PW: not on the flood risk listHP21 9PZ: not on the flood risk listHP21 9QB: not on the flood risk listHP21 9QD: not on the flood risk listHP21 9QE: not on the flood risk listHP21 9QF: not on the flood risk listHP21 9QP: not on the flood risk listHP21 9QR: not on the flood risk listHP21 9QS: not on the flood risk listHP21 9QT: not on the flood risk listHP21 9QU: not on the flood risk listHP21 9QW: not on the flood risk listHP21 9QX: not on the flood risk listHP21 9QY: not on the flood risk listHP21 9QZ: not on the flood risk listHP21 9RG: not on the flood risk listHP21 9RH: not on the flood risk listHP21 9RJ: not on the flood risk listHP21 9RL: not on the flood risk listHP21 9RQ: not on the flood risk listHP21 9RR: not on the flood risk listHP21 9RS: not on the flood risk listHP21 9RT: not on the flood risk listHP21 9RU: not on the flood risk listHP21 9RX: not on the flood risk listHP21 9RY: not on the flood risk listHP21 9SH: not on the flood risk listHP21 9SL: not on the flood risk listHP21 9SQ: not on the flood risk listHP21 9TA: not on the flood risk listHP21 9TE: not on the flood risk listHP21 9TF: not on the flood risk listHP21 9TG: not on the flood risk listHP21 9TJ: not on the flood risk listHP21 9TL: not on the flood risk listHP21 9TN: not on the flood risk listHP21 9TQ: not on the flood risk listHP21 9TS: not on the flood risk listHP21 9TW: not on the flood risk listHP21 9TX: not on the flood risk listHP21 9TY: not on the flood risk listHP21 9TZ: not on the flood risk listHP21 9UA: not on the flood risk listHP21 9UB: not on the flood risk listHP21 9UD: not on the flood risk listHP21 9UF: not on the flood risk listHP21 9UG: not on the flood risk listHP21 9UH: not on the flood risk listHP21 9UJ: not on the flood risk listHP21 9UL: not on the flood risk listHP21 9UN: not on the flood risk listHP21 9UP: not on the flood risk listHP21 9UQ: not on the flood risk listHP21 9UR: not on the flood risk listHP21 9UT: not on the flood risk listHP21 9UU: not on the flood risk listHP21 9UW: not on the flood risk listHP21 9UX: not on the flood risk listHP21 9UY: not on the flood risk listHP21 9XA: not on the flood risk listHP21 9XB: not on the flood risk listHP21 9XD: not on the flood risk listHP21 9XE: not on the flood risk listHP21 9XF: not on the flood risk listHP21 9XG: not on the flood risk listHP21 9XH: not on the flood risk listHP21 9XJ: not on the flood risk listHP21 9XL: not on the flood risk listHP21 9XN: not on the flood risk listHP21 9XQ: not on the flood risk listHP21 9XR: not on the flood risk listHP21 9XS: not on the flood risk listHP21 9XT: not on the flood risk listHP21 9XU: not on the flood risk listHP21 9XW: not on the flood risk listHP21 9XX: not on the flood risk listHP21 9XY: not on the flood risk listHP21 9XZ: not on the flood risk listHP21 9YA: not on the flood risk listHP21 9YB: not on the flood risk listHP21 9YD: not on the flood risk listHP21 9YE: not on the flood risk listHP21 9YF: not on the flood risk listHP21 9YG: not on the flood risk listHP21 9YH: not on the flood risk listHP21 9YJ: not on the flood risk listHP21 9YL: not on the flood risk listHP21 9YQ: not on the flood risk listHP21 9TT: low flood risk at worstHP21 9TU: medium flood risk at worstHP21 9BB: high flood risk Aylesbury South EastAylesbury South West Map of every postcode in the HP21 9 sector, by flood risk Of the 253 postcodes in the HP21 9 sector that ONS places, 1 have a home or business at high risk, 1 are at medium risk at worst, 1 are at low risk at worst and 250 are not on the Environment Agency's at-risk list. Places named: Aylesbury South East, Aylesbury South West. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. Aylesbury South EastAylesbury South West
  • A home or business at high risk: 1
  • At medium risk at worst: 1
  • At low risk at worst: 1
  • At very low risk only: 0
  • Not on the at-risk list: 250

Of the 253 postcodes in the HP21 9 sector that ONS places, 1 have a home or business at high risk, 1 are at medium risk at worst, 1 are at low risk at worst and 250 are not on the Environment Agency's at-risk list.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode. Names in italics are council wards: we hold no town or village names here.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; flood risk: Environment Agency, published 6 July 2026; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

The postcodes at high risk

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

HP21 9BB3 at high risk

What do homes sell for in HP21 9?

Homes in HP21 9 sold for a typical £357,000 in the 12 months to August 2026, across 141 sales, down 1.5% on the 12 months before, HM Land Registry's figures show.

£357,000 typical price, the 12 months to August 2026
£362,500 12 months to August 2025
▼ down 1.5% on the 12 months before
  • Detached £527,500 19 sales
  • Semi-detached £380,000 55 sales
  • Terraced £303,000 56 sales
  • Flat or maisonette £170,000 11 sales

Each bar is that kind's typical price, against the most expensive kind here.

Standard sales of homes at market value at the postcodes that start HP21 9. A typical price is the median, the middle sale, given from 5 sales or more.

How we work this out: house prices by postcode

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

Postcodes in HP21 9

Pick a postcode to see its council and MP, broadband, flood risk, what homes sell for, council tax, the nearest schools and stations, and crime around it.

HP21 9AAHP21 9ABHP21 9ADHP21 9AEHP21 9AFHP21 9AGHP21 9AHHP21 9AJHP21 9ALHP21 9APHP21 9AQHP21 9ARHP21 9ASHP21 9AUHP21 9AXHP21 9AYHP21 9AZHP21 9BBHP21 9BDHP21 9BEHP21 9BGHP21 9BHHP21 9BJHP21 9BLHP21 9BNHP21 9BPHP21 9BSHP21 9BTHP21 9BUHP21 9BWHP21 9BXHP21 9BYHP21 9BZHP21 9DAHP21 9DBHP21 9DDHP21 9DEHP21 9DFHP21 9DGHP21 9DHHP21 9DJHP21 9DLHP21 9DNHP21 9DPHP21 9DQHP21 9DRHP21 9DSHP21 9DTHP21 9DUHP21 9DWHP21 9DZHP21 9EAHP21 9EBHP21 9EDHP21 9EEHP21 9EFHP21 9EGHP21 9EPHP21 9EQHP21 9ERHP21 9ETHP21 9EUHP21 9EXHP21 9EYHP21 9EZHP21 9FAHP21 9FEHP21 9FFHP21 9FGHP21 9FNHP21 9FQHP21 9FUHP21 9FWHP21 9FYHP21 9FZHP21 9GDHP21 9GHHP21 9GJHP21 9GLHP21 9GNHP21 9GPHP21 9GQHP21 9GRHP21 9GSHP21 9GTHP21 9GUHP21 9GWHP21 9GXHP21 9HDHP21 9HEHP21 9HFHP21 9HGHP21 9HJHP21 9HLHP21 9HNHP21 9HPHP21 9HRHP21 9HSHP21 9HTHP21 9HUHP21 9HWHP21 9HXHP21 9HYHP21 9JAHP21 9JBHP21 9JDHP21 9JEHP21 9JFHP21 9JGHP21 9JHHP21 9JJHP21 9JLHP21 9JNHP21 9JPHP21 9JQHP21 9JRHP21 9JSHP21 9JWHP21 9LAHP21 9LBHP21 9LJHP21 9LLHP21 9LNHP21 9LPHP21 9LQHP21 9LRHP21 9LSHP21 9LTHP21 9LUHP21 9LWHP21 9LXHP21 9LYHP21 9LZHP21 9NAHP21 9NBHP21 9NDHP21 9NEHP21 9NFHP21 9NHHP21 9NJHP21 9NLHP21 9NNHP21 9NPHP21 9NRHP21 9NSHP21 9NTHP21 9NUHP21 9NWHP21 9NXHP21 9NYHP21 9PAHP21 9PBHP21 9PDHP21 9PHHP21 9PJHP21 9PLHP21 9PNHP21 9PPHP21 9PRHP21 9PSHP21 9PTHP21 9PUHP21 9PWHP21 9PZHP21 9QBHP21 9QDHP21 9QEHP21 9QFHP21 9QPHP21 9QRHP21 9QSHP21 9QTHP21 9QUHP21 9QWHP21 9QXHP21 9QYHP21 9QZHP21 9RGHP21 9RHHP21 9RJHP21 9RLHP21 9RQHP21 9RRHP21 9RSHP21 9RTHP21 9RUHP21 9RXHP21 9RYHP21 9SHHP21 9SLHP21 9SQHP21 9TAHP21 9TEHP21 9TFHP21 9TGHP21 9TJHP21 9TLHP21 9TNHP21 9TQHP21 9TSHP21 9TTHP21 9TUHP21 9TWHP21 9TXHP21 9TYHP21 9TZHP21 9UAHP21 9UBHP21 9UDHP21 9UEHP21 9UFHP21 9UGHP21 9UHHP21 9UJHP21 9ULHP21 9UNHP21 9UPHP21 9UQHP21 9URHP21 9UTHP21 9UUHP21 9UWHP21 9UXHP21 9UYHP21 9XAHP21 9XBHP21 9XDHP21 9XEHP21 9XFHP21 9XGHP21 9XHHP21 9XJHP21 9XLHP21 9XNHP21 9XQHP21 9XRHP21 9XSHP21 9XTHP21 9XUHP21 9XWHP21 9XXHP21 9XYHP21 9XZHP21 9YAHP21 9YBHP21 9YDHP21 9YEHP21 9YFHP21 9YGHP21 9YHHP21 9YJHP21 9YLHP21 9YQ

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

What council am I in? The council, borough or local authority for a postcode, and the county council where there is one. What ward am I in? The ward for a postcode, with its council, constituency and parish.

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